Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant red cabbage in Cambridge can be figured out by looking at the USDA zone info.

Planting Calendar for Red cabbage

Frost tolerance for red cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Red cabbage tend to make it in a bit of cold which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant red cabbage in Cambridge is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant red cabbage and expect a good harvest is probably August. If you wait any later than that and your red cabbage may not have a chance to grow to maturity. Starting your red cabbage indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Cambridge. In the coldest months of winter you can expect an average low temperature of -30°F.

It's important to remember that USDA zone info for Cambridge may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Cambridge there is a last frost after May 15 so just be sure to be ready to cover your red cabbage if you have one of those late frosts.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Cambridge

You may be interested in your other planting guides for Cambridge.